<%@ page language="java" contentType="text/html; charset=UTF-8"
         pageEncoding="UTF-8"%>
<%@taglib prefix="c"  uri="http://java.sun.com/jsp/jstl/core"%>

<!DOCTYPE html>
<html>
<head>
    <title>  hello jsp </title>

</head>
<body>
    <button>这是个错误页面</button>

</body>
</html>